Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Que tipo de escola tem o apelido de Oilers?
 ###Tabelas: CREATE TABLE tennessee_counties_ranked_by_per_capita_income (tennessee_counties_ranked_by_per_capita_income_id AUTO_INCREMENT PRIMARY KEY, County VARCHAR, Per capita income VARCHAR, Median household income VARCHAR, Median family income VARCHAR, Population INT, Number of households INT) CREATE TABLE group_c (group_c_id AUTO_INCREMENT PRIMARY KEY, Home team VARCHAR, Home team score VARCHAR, Away team VARCHAR, Away team score VARCHAR, Ground VARCHAR, Crowd INT, Date VARCHAR) CREATE TABLE 2009-10_roster (2009-10_roster_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Number INT, Pos. VARCHAR, Height VARCHAR, Weight INT, Year VARCHAR, Hometown VARCHAR, High School VARCHAR) CREATE TABLE former_members (former_members_id AUTO_INCREMENT PRIMARY KEY, Institution VARCHAR, Location VARCHAR, Founded INT, Type VARCHAR, Enrollment INT, Joined VARCHAR, Left VARCHAR, Nickname VARCHAR, Primary Conference when joining the MSFA VARCHAR, Current Primary Conference VARCHAR) CREATE TABLE indianapolis_500_results (indianapolis_500_results_id AUTO_INCREMENT PRIMARY KEY, Year INT, Chassis VARCHAR, Engine VARCHAR, Start VARCHAR, Finish VARCHAR, Team VARCHAR)  
SELECT Type FROM former_members WHERE Nickname = Oilers